Mattress core pocket springs: 260/m2 comfort zones: 5 comfort type: Comfort or Support comfort layer: Comfortex Mattress cover Oxygen Flexible and extremely comfortable Jersey double cloth made of 65% polyester (in the base knit) and 35% viscose (in the top knit), quilted with 350 g/m2 Oxygen filling (anti-allergic), with classic full side band, removable (with single zip against mattress surface) and washable at 40°C. Advantages superior sleeping comfort ● finer adjustment to the body shape due to the high number of pocket springs ● micro-support of the body ● optimum resilience and ventilation ● reversible, so longer lasting enjoyment